Season 24 will be ending on the following dates/times:
North America: Sunday, December 5 @ 5:00pm PT**
NSW/Vic/Tas/ACT: Monday, December 6 @ 12pm
Qld: Monday, December 6 @ 11am
SA: Monday, December 6 @ 11:30am
NT: Monday, December 6 @ 10:30am
WA: Monday, December 6 @ 9am
NZ: Monday, December 6 @ 2pm
** Note: I have assumed 5pm PST (California current timezone) as opposed to PDT stated in the Blizzard post: Season 24 | Ethereal Memory - End Dates